Greg Kahn (b. 1981) is an American documentary photographer. Kahn grew up in a small coastal town in Rhode Island, and attended The George Washington University in Washington D.C. In August of 2012, Kahn co-founded GRAIN Images with his wife Lexey, and colleague Tristan Spinski.

Kahn’s work concentrates on issues that shape personal and cultural identity. He has worked for clients such as AARP, The New York Times, Nike, stern, The Wall Street Journal, and Washington Post Magazine. In 2011, Kahn was a finalist for the Pulitzer Prize for his work on the foreclosure crisis in Florida.